<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'

import { onMounted, ref, watch, onBeforeUnmount, nextTick } from 'vue'

// 文章分类数据模型
const categorys = ref([
    {
        "id": '',
        "categoryName": "",
        "categoryAlias": "",
        "createTime": "",
        "updateTime": ""
    }
])

// 用户搜索时选中的分类id
const categoryId=ref('')

// 用户搜索时选中的发布状态
const state=ref('')

// 文章列表数据模型
const articles = ref([
    {
        "id": '',
        "title": "",
        "content": "",
        "coverImg": "",
        "state": "",
        "categoryId": '',
        "categoryName": '',
        "createTime": "",
        "updateTime": ""
    }
])

// 分页条数据模型
const pageNum = ref(1)// 当前页
const total = ref(20)// 总条数
const pageSize = ref(5)// 每页条数

// 当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
    pageSize.value = size
    articleList()
}
// 当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
    pageNum.value = num
    articleList()
}
import { articleCategoryListService, articleListService, articleAddService } from '@/api/article'
// 回显文章分类
const getAllCategory = async() => {
    const res = await articleCategoryListService()
    categorys.value = res.data
}
// 查询文章列表
const articleList = async() => {
    const params = {
        pageNum: pageNum.value,
        pageSize: pageSize.value,
        categoryId: categoryId.value ? categoryId.value : null,
        state: state.value ? state.value : null
    }
    const res = await articleListService(params)
    total.value = res.data.total
    articles.value = res.data.items
}
onMounted(() => {
    getAllCategory()
    articleList()
})
import {Plus} from '@element-plus/icons-vue'
import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'
import { ElMessage } from 'element-plus'
// 控制抽屉是否显示
const visibleDrawer = ref(false)
// 添加表单数据模型
const articleModel = ref({
    title: '',
    categoryId: '',
    coverImg: '',
    content:'',
    state:''
})
// 添加文章
const addArticle = async(state) => {
    articleModel.value.state = state
    await articleAddService(articleModel.value)
    ElMessage.success('添加成功')
    visibleDrawer.value = false
    articleList()
}
// 清空抽屉数据
const clearData = () => {
    articleModel.value = {
        title: '',
        categoryId: '',
        coverImg: '',
        content: '<p></p>',
        state: ''
}
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章管理</span>
                <div class="extra">
                    <el-button type="primary" @click="visibleDrawer = true;clearData()">添加文章</el-button>
                </div>
            </div>
        </template>
        <!-- 搜索表单 -->
        <el-form inline>
            <el-form-item label="文章分类：">
                <el-select placeholder="请选择" v-model="categoryId">
                    <el-option
                        v-for="c in categorys"
                        :key="c.id"
                        :label="c.categoryName"
                        :value="c.id">
                    </el-option>
                </el-select>
            </el-form-item>

            <el-form-item label="发布状态：">
                <el-select placeholder="请选择" v-model="state">
                    <el-option label="已发布" value="已发布"></el-option>
                    <el-option label="草稿" value="草稿"></el-option>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="articleList()">搜索</el-button>
                <el-button @click="categoryId='';state='';articleList()">重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 文章列表 -->
        <el-table :data="articles" style="width: 100%">
            <el-table-column label="文章标题" width="400" prop="title"></el-table-column>
            <el-table-column label="分类" prop="categoryName"></el-table-column>
            <el-table-column label="发表时间" prop="createTime"> </el-table-column>
            <el-table-column label="状态" prop="state"></el-table-column>
            <el-table-column label="创建时间" prop="createTime"></el-table-column>
            <el-table-column label="更新时间" prop="updateTime"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary"></el-button>
                    <el-button :icon="Delete" circle plain type="danger"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 分页条 -->
        <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5 ,10, 15]"
            layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange"
            @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
        <!-- 抽屉 -->
        <el-drawer v-model="visibleDrawer" title="添加文章" direction="rtl" size="50%">
            <!-- 添加文章表单 -->
            <el-form :model="articleModel" label-width="100px" >
                <el-form-item label="文章标题" >
                    <el-input v-model="articleModel.title" placeholder="请输入标题"></el-input>
                </el-form-item>
                <el-form-item label="文章分类">
                    <el-select placeholder="请选择" v-model="articleModel.categoryId">
                        <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="文章封面">

                    <el-upload class="avatar-uploader" :auto-upload="false" :show-file-list="false">
                        <img v-if="articleModel.coverImg" :src="articleModel.coverImg" class="avatar" />
                        <el-icon v-else class="avatar-uploader-icon">
                            <Plus />
                        </el-icon>
                    </el-upload>
                </el-form-item>
                <el-form-item label="文章内容">
                    <div class="editor">
                        <quill-editor
                            theme="snow"
                            v-model:content="articleModel.content"
                            contentType="html"
                        >
                        </quill-editor>
                    </div>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" @click="addArticle('已发布')">发布</el-button>
                    <el-button type="info" @click="addArticle('草稿')">草稿</el-button>
                </el-form-item>
            </el-form>
        </el-drawer>
    </el-card>
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
/* 抽屉样式 */
.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}
.editor {
  width: 100%;
  :deep(.ql-editor) {
    min-height: 200px;
  }
}
</style>